{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["DNA", "cell type", "cell line", "protein", "RNA"], "input": "We therefore screened a T-cell cDNA library under low-stringency conditions with a probe from the DNA binding domain of Ets-1 and isolated a novel Ets family member , Elf-1 ."}
{"DNA": ["T-cell cDNA"], "cell type": [], "cell line": [], "protein": ["DNA binding domain", "Ets-1", "novel Ets family member", "Ets family", "Elf-1"], "RNA": []}